if (r1 != null) { try { r1.close(); } catch (IOException e) { } } if (r2 != null) { try { r2.close(); } catch (IOException e) { } }
if (in != null) { try { in.close(); } catch (IOException e) { // ignore } } if (socket != null) { try { socket.close(); } catch (IOException e) { // ignore } }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/tests/junit/org/apache/tools/ant/taskdefs/JarTest.java File path: /apache-ant-1.7.0/src/org/apache/tools/mail/MailMessage.java
Method name: void tearDown() Method name: void disconnect()
Number of AST nodes: 6 Number of AST nodes: 6
1
if (r1 != null) {
1
if (in != null) {
2
            try {
2
            try {
3
                r1.close();
3
                in.close();
4
            } catch (IOException e) {
4
            } catch (IOException e) {
5
                // ignore
5
            }
6
            }
6
        }
7
        }
7
        if (r2 != null) {
8
        if (socket != null) {
8
            try {
9
            try {
9
                r2.close();
10
                socket.close();
10
            } catch (IOException e) {
11
            } catch (IOException e) {
12
                // ignore
11
            }
13
            }
12
        }
14
        }
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)0.5
Clones locationClones are in different classes
Number of node comparisons17
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements6
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)1.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (r1 != null)
    1
    if (r1 != null)
    3
    if (in != null)
    Differences
    Expression1Expression2Difference
    r1inVARIABLE_NAME_MISMATCH
    java.io.Readerorg.apache.tools.mail.SmtpResponseReaderVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.io.Reader of variable r1 does not match with type org.apache.tools.mail.SmtpResponseReader of variable in
    • Make classes java.io.Reader and org.apache.tools.mail.SmtpResponseReader extend a common superclass
    3
    if (in != null)
    2
    try
    4
    try
    3
    r1.close();
    3
    r1.close();
    5
    in.close();
    Differences
    Expression1Expression2Difference
    r1inVARIABLE_NAME_MISMATCH
    java.io.Readerorg.apache.tools.mail.SmtpResponseReaderVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.io.Reader of variable r1 does not match with type org.apache.tools.mail.SmtpResponseReader of variable in
    • Make classes java.io.Reader and org.apache.tools.mail.SmtpResponseReader extend a common superclass
    5
    in.close();
    4
    if (r2 != null)
    4
    if (r2 != null)
    6
    if (socket != null)
    Differences
    Expression1Expression2Difference
    r2socketVARIABLE_NAME_MISMATCH
    java.io.Readerjava.net.SocketSUBCLASS_TYPE_MISMATCH
    6
    if (socket != null)
    5
    try
    7
    try
    6
    r2.close();
    6
    r2.close();
    8
    socket.close();
    Differences
    Expression1Expression2Difference
    r2socketVARIABLE_NAME_MISMATCH
    java.io.Readerjava.net.SocketSUBCLASS_TYPE_MISMATCH
    8
    socket.close();
    Precondition Violations (2)
    Row Violation
    1Type java.io.Reader of variable r1 does not match with type org.apache.tools.mail.SmtpResponseReader of variable in
    2Type java.io.Reader of variable r1 does not match with type org.apache.tools.mail.SmtpResponseReader of variable in